#coding=utf-8
'''
    错误消息定义
'''

class STATE:
    '''
        状态描述
    '''

    SUPPORT_DUAL_L='dual-left'
    SUPPORT_DUAL_R='dual-right'
    SUPPORT_L='left'
    SUPPORT_R='right'
    SUPPORT_NONE='hover'
    SUPPORT_DUAL='dual'


    STATE_FREE='free'
    STATE_STABLE='stable'
    STATE_UNSTABLE='unstable'
    STATE_HOVER='hover'
    STATE_MANUAL ='manual'
    STATE_FALLING='falling'
    STATE_FALLED='falled'

class DIRECTION:
    '''
        方向
    '''
    FORWARD='forward'
    BACKWARD='backward'
    LEFT_ONMI='left'
    RIGHT_ONMI='right'
    LEFT_TURN='turn_left'
    right_TURN='turn_right'

class TYPE:
    '''
    类型
    '''
    NORMAL='normal'